Brush design for electric motor having commutator

Brush design for electric motor having commutator

An electric motor has a pair of brushes for transferring power to windings of a wound rotor by making sliding contact with a cylindrical commutator. Each brush has a body with a pair of end surfaces, and a contact surface extending between the end surfaces and configured to slidingly contact a cylin...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LAU JAMES CHING SIK, JIN CHANG LIN, LOUIE YUEN TUNG, WONG DUNCAN YIU LUNG
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
CURRENT COLLECTORS
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
LINE CONNECTORS
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Beschreibung
Zusammenfassung:An electric motor has a pair of brushes for transferring power to windings of a wound rotor by making sliding contact with a cylindrical commutator. Each brush has a body with a pair of end surfaces, and a contact surface extending between the end surfaces and configured to slidingly contact a cylindrical circumferential surface of the commutator. The extending direction of the contact surface is inclined relative to the axial direction of the commutator, and the contact surface is V-shaped when viewed in the extending direction thereof.